ABAP Select data from SAP table FKKID_IN_STR_ACCUM_I_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKID_IN_STR_ACCUM_I_DATA table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FKKID_IN_STR_ACCUM_I_DATA. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FKKID_IN_STR_ACCUM_I_DATA table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FKKID_IN_STR_ACCUM_I_DATA TYPE STANDARD TABLE OF FKKID_IN_STR_ACCUM_I_DATA,
      WA_FKKID_IN_STR_ACCUM_I_DATA TYPE FKKID_IN_STR_ACCUM_I_DATA,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FKKID_IN_STR_ACCUM_I_DATA> TYPE FKKID_IN_STR_ACCUM_I_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKID_IN_STR_ACCUM_I_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKID_IN_STR_ACCUM_I_DATA
  INTO TABLE IT_FKKID_IN_STR_ACCUM_I_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKID_IN_STR_ACCUM_I_DATA
*  INTO TABLE @DATA(IT_FKKID_IN_STR_ACCUM_I_DATA2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FKKID_IN_STR_ACCUM_I_DATA INDEX 1 INTO DATA(WA_FKKID_IN_STR_ACCUM_I_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKID_IN_STR_ACCUM_I_DATA ASSIGNING <FKKID_IN_STR_ACCUM_I_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKID_IN_STR_ACCUM_I_DATA>-GPART = 1.
<FKKID_IN_STR_ACCUM_I_DATA>-BUDAT = 1.
<FKKID_IN_STR_ACCUM_I_DATA>-BLDAT = 1.
<FKKID_IN_STR_ACCUM_I_DATA>-BUKRS = 1.
<FKKID_IN_STR_ACCUM_I_DATA>-MWSKZ = 1.

ENDLOOP.

LOOP AT IT_FKKID_IN_STR_ACCUM_I_DATA INTO WA_FKKID_IN_STR_ACCUM_I_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKID_IN_STR_ACCUM_I_DATA-KTOSL, sy-vline,
  WA_FKKID_IN_STR_ACCUM_I_DATA-KSCHL, sy-vline,
  WA_FKKID_IN_STR_ACCUM_I_DATA-SBASH, sy-vline,
  WA_FKKID_IN_STR_ACCUM_I_DATA-BETRH, sy-vline,
  WA_FKKID_IN_STR_ACCUM_I_DATA-ORIG_BASE_AMT, sy-vline,
  WA_FKKID_IN_STR_ACCUM_I_DATA-ACCUM_BASE_AMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKID_IN_STR_ACCUM_I_DATA you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FKKID_IN_STR_ACCUM_I_DATA TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FKKID_IN_STR_ACCUM_I_DATA INTO WA_FKKID_IN_STR_ACCUM_I_DATA.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_IN_STR_ACCUM_I_DATA-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_IN_STR_ACCUM_I_DATA-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ACCUM_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_IN_STR_ACCUM_I_DATA-ACCUM_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_IN_STR_ACCUM_I_DATA-ACCUM_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field THLD_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_IN_STR_ACCUM_I_DATA-THLD_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_IN_STR_ACCUM_I_DATA-THLD_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ACCUM_BASE_AMT_FI
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_IN_STR_ACCUM_I_DATA-ACCUM_BASE_AMT_FI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_IN_STR_ACCUM_I_DATA-ACCUM_BASE_AMT_FI.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FKKID_IN_STR_ACCUM_I_DATA_STR, 
GPART TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
BUKRS TYPE STRING,
MWSKZ TYPE STRING,
KTOSL TYPE STRING,
KSCHL TYPE STRING,
SBASH TYPE STRING,
BETRH TYPE STRING,
ORIG_BASE_AMT TYPE STRING,
ACCUM_BASE_AMT TYPE STRING,
STPRZ TYPE STRING,
DOCTY_REF TYPE STRING,
DOCNR_REF TYPE STRING,
SEQNR_REF TYPE STRING,
THLD_CAT TYPE STRING,
VALID_FROM TYPE STRING,
SELLER_PAN TYPE STRING,
BUYER_IDTYPE TYPE STRING,
BUYER_ID TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
THLD_AMT TYPE STRING,
ITM_ORIGIN TYPE STRING,
ACCUM_BASE_AMT_FI TYPE STRING,
SBASW TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKID_IN_STR_ACCUM_I_DATA_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-GPART sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BUDAT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BLDAT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BUKRS sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-MWSKZ sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-KTOSL sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-KSCHL sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-SBASH sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BETRH sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ORIG_BASE_AMT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ACCUM_BASE_AMT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-STPRZ sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-DOCTY_REF sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-DOCNR_REF sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-SEQNR_REF sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-THLD_CAT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-VALID_FROM sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-SELLER_PAN sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BUYER_IDTYPE sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BUYER_ID sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ERNAM sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ERDAT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ERZEIT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-THLD_AMT sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ITM_ORIGIN sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-ACCUM_BASE_AMT_FI sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-SBASW sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-BETRW sy-vline 
WA_FKKID_IN_STR_ACCUM_I_DATA_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.